JEEP · 8HP70 ECU

JEEP GRAND CHEROKEE 8HP70 tuning files

Here is what the catalog holds for the JEEP GRAND CHEROKEE on the 8HP70. The matched variants sit between 240 and 401 HP from the factory. There are 9 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All GRAND CHEROKEE coverage

Available solutions

Solutions that apply to the 8HP70 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

9 distinct variants for the JEEP GRAND CHEROKEE on the 8HP70 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 5700 401HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 401 HP
SW upgrade: 68445533AB

Variant 2

ECU

Catalog engine: 3000 270HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 270 HP
SW upgrade: 68241279AG
Calibration: 68241279AG

Variant 3

ECU

Catalog engine: 3000 270HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 270 HP

Variant 4

ECU

Catalog engine: 3000 270HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 270 HP
ECU SW: 52108926AE
SW upgrade: 52108926AE
Calibration: 52108926AE

Variant 5

ECU

Catalog engine: 3000 270HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 270 HP
SW upgrade: 68245314AF
Calibration: 68245314AF

Variant 6

ECU

Catalog engine: 3000 270HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 270 HP
SW upgrade: 68245314AH
Calibration: 68245314AH

Variant 7

ECU

Catalog engine: 3000 240HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 240 HP
SW upgrade: 68314701AI
Calibration: 68314701AI

Variant 8

ECU

Catalog engine: 3000 240HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 240 HP

Variant 9

ECU

Catalog engine: 3000 240HP
Controller brand: BOSCH
ECU: 8HP70
Stock power: 240 HP
SW upgrade: 68314703AJ
Calibration: 68314703AJ

Related vehicles

Other vehicles built on the 8HP70 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the JEEP GRAND CHEROKEE on the 8HP70?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the 8HP70 ECU software on this model?

Yes — the JEEP GRAND CHEROKEE on the 8HP70 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.